exam Maths Puzzle Numerical Ability

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In a taste test between two brands of cereal, 1199 votes were cast. If 25 voters had switched their votes from the winner to the loser, the loser would have won by 5 votes. How many votes did each cereal actually receive? A vat contains 100 l of a 40% solution. How much acid must be added to increase the acidity to 60%?